The President Sang Amazing Grace

Recording by Kronos Quartet.

Recording identifiers

ISRC
USSF12024002
CopyrightID (CopyrightChains transaction hash)
0x9fbb13a2315b7771e5fa1d59f606c054a90adc52850848f9536096295d2006eb
Copyright registration time
2026-07-06T09:29:49+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T16:07:00Z
Bitcoin block
957061
Canonical record hash
sha256:06c79149485fbb78374caf637f972cecb570bdb9e2ff47d890a2741a9812edf3

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.